51500363 has 4 divisors (see below), whose sum is σ = 51517128. Its totient is φ = 51483600.

The previous prime is 51500357. The next prime is 51500377. The reversal of 51500363 is 36300515.

51500363 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51500363 - 2⁶ = 51500299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51500303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2306 + ... + 10407.

It is an arithmetic number, because the mean of its divisors is an integer number (12879282).

Almost surely, 2^51500363 is an apocalyptic number.

51500363 is a deficient number, since it is larger than the sum of its proper divisors (16765).

51500363 is a wasteful number, since it uses less digits than its factorization.

51500363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16764.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 51500363 is about 7176.3753385675. The cubic root of 51500363 is about 372.0518171739.

Adding to 51500363 its reverse (36300515), we get a palindrome (87800878).

The spelling of 51500363 in words is "fifty-one million, five hundred thousand, three hundred sixty-three".